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Nanomaterials
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Nano-Optics and Nanophotonics
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Nano-Optics and Nanophotonics

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 1372

Special Issue Editors

Prof. Dr. Zhe Kang

E-Mail Website
Guest Editor
National Key Laboratory of Microwave Photonics, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: nonlinear and ultrafast optics; lasers; integrated photonics devices; soliton dynamic in micro- and nano-waveguides; microwave photonics; nanomaterials
Dr. Ye Tian

E-Mail Website
Guest Editor
National Key Laboratory of Microwave Photonics, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: integrated optics devices; all-optical signal processing; silicon photonics

Special Issue Information

Dear Colleagues,

This Special Issue titled “Nano-Optics and Nanophotonics” seeks to highlight the cutting-edge advances and research at the intersection of optical science and nanotechnology. This vibrant field extends far beyond traditional optics, allowing researchers to manipulate light at dimensions smaller than the wavelength of light itself. Harnessing the power of nanophotonics opens a new realm of possibilities for both science and technological innovation, revolutionizing fields such as telecommunications, ultrafast computing, advanced sensing technologies, and sustainable energy solutions. The ability to control light at such minute scales promises to unlock transformative applications, pushing the boundaries of what is possible in modern science and engineering. This Special Issue will serve as a platform to explore these revolutionary developments, driving forward the future of nano-optical systems.

Contributions are encouraged from interdisciplinary areas where optics intersects nanoscience and materials engineering, offering valuable insights and applications. We welcome both experimental and theoretical work that advances the understanding and capability in this rapidly evolving field. The theme aims to explore novel phenomena, materials, and devices enabled by nano-optics and nanophotonics, from fundamental studies to applied technologies.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Nanowaveguides and devices;
  • Integrated silicon devices;
  • Machine learning for nanophotonics;
  • Photonic nanostructures, e.g., nanotubes, nanowires, nanofibers, and quantum dots;
  • Nanolasers;
  • Photonic crystals and topological photonics;
  • Nanophotonics for quantum technologies;
  • 2D and layered photonic materials;
  • Metamaterials and metasurfaces;
  • Light–matter interactions at the nanoscale;
  • Nonlinear and ultrafast nanophotonics;
  • Plasmonics;
  • Nano-biophotonics;
  • Application of nanophotonics to imaging, sensing, data storage, communications, etc.

We look forward to receiving your contributions.

Prof. Dr. Zhe Kang
Dr. Ye Tian
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • x-on-insulator
  • lasers
  • nanofibers
  • micro- and nano-cavities
  • machine learning
  • inverse design
  • photonic crystals
  • quantum dots
  • 2D materials
  • metamaterials
  • phase-change materials
  • photonic integrated circuits

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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9 pages, 2715 KiB  
Article
Three-Dimensional High-Resolution Laser Lithography of CsPbBr3 Quantum Dots in Photoresist with Sub-100 nm Feature Size
by Boyuan Cai, Haoran Jiang, Run Bai, Shengting Zhu, Yinan Zhang, Haoyi Yu, Min Gu and Qiming Zhang
Nanomaterials 2025, 15(7), 531; https://doi.org/10.3390/nano15070531 - 31 Mar 2025
Viewed by 342
Abstract
Perovskite quantum dots (PQDs), with their excellent optical properties, have become a leading semiconductor material in the field of optoelectronics. However, to date, it has been a challenge to achieve the three-dimensional high-resolution patterning of perovskite quantum dots. In this paper, an in [...] Read more.
Perovskite quantum dots (PQDs), with their excellent optical properties, have become a leading semiconductor material in the field of optoelectronics. However, to date, it has been a challenge to achieve the three-dimensional high-resolution patterning of perovskite quantum dots. In this paper, an in situ femtosecond laser-direct-writing technology was demonstrated for three-dimensional high-resolution patterned CsPbBr3 PQDs using a two-photon photoresist nanocomposite doped with the CsPbBr3 perovskite precursor. By adjusting the laser processing parameters, the minimum line width of the PQDs material was confirmed to be 98.6 nm, achieving a sub-100 nm PQDs nanowire for the first time. In addition, the fluorescence intensity of the laser-processed PQDs can be regulated by the laser power. Our findings provide a new technology for fabricating high-resolution display devices based on laser-direct-writing CsPbBr3 PQDs materials. Full article
(This article belongs to the Special Issue Nano-Optics and Nanophotonics)
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11 pages, 2996 KiB  
Article
Inverse Design of Multi-Port Power Splitter with Arbitrary Ratio Based on Shape Optimization
by Yang Liu, Zhe Kang, Haoda Xu, Guangbiao Zhong, Ruitao Zhang, Chaoying Fu and Ye Tian
Nanomaterials 2025, 15(5), 393; https://doi.org/10.3390/nano15050393 - 4 Mar 2025
Viewed by 537
Abstract
Arbitrary ratio power splitters (APSs) play a crucial role in enhancing the flexibility of photonic integrated circuits (PICs) on the silicon-on-insulator (SOI) platform. However, most existing APSs are designed with two output channels, limiting their functionality. In this study, we present a shape [...] Read more.
Arbitrary ratio power splitters (APSs) play a crucial role in enhancing the flexibility of photonic integrated circuits (PICs) on the silicon-on-insulator (SOI) platform. However, most existing APSs are designed with two output channels, limiting their functionality. In this study, we present a shape optimization method to develop a multiport arbitrary ratio power splitter (MAPS) that enables arbitrary power distribution across three output channels within a compact footprint of 6 µm × 2.7 µm. To validate this approach, two MAPS designs were demonstrated with power ratios of 1:2:1 and 1:2:4. Across a bandwidth range from 1500 nm to 1600 nm, these designs matched the desired power distribution with excess losses (ELs) below 0.5 dB. Experimental results further confirmed the effectiveness of the splitters, with ELs below 1.3 dB over a bandwidth of 1500–1565 nm. Full article
(This article belongs to the Special Issue Nano-Optics and Nanophotonics)
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